IDT71V424S, IDT71V424L, 3.3V CMOS Static RAM
4 Meg (512K x 8-bit)
Commercial and Industrial Temperature Ranges
AC Test Conditions
Input Pulse Levels
GND to 3.0V
Input Rise/Fall Times
Input Timing Reference Levels
Output Reference Levels
AC Test Load
1.5ns
1.5V
1.5V
See Figure 1, 2 and 3
3622 tbl 09
AC Test Loads
3.3V
+1.5V
50Ω
320Ω
I/O
Z0
= 50Ω
OUT
DATA
30pF
5pF*
350Ω
3622 drw 03
3622 drw 04
*Including jig and scope capacitance.
Figure 1. AC Test Load
Figure 2. AC Test Load
(for tCLZ, tOLZ, tCHZ, tOHZ, tOW, and tWHZ)
7
6
•
∆tAA,
(Typical, ns)
t
ACS
5
4
3
•
•
2
1
•
•
•
•
180
8 20 40 60 80 100 120 140 160
CAPACITANCE (pF)
200
3622 drw 05
Figure 3. Output Capacitive Derating
6.42
4